Coal exploration proceedings of the first International Coal Exploration Symposium, London, England, May 18-21, 1976
| Další autoři: | , |
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| Médium: | Kniha |
| Jazyk: | English |
| Vydáno: |
San Francisco
M. Freeman Publications
c1976-c1979.
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| Edice: | World coal book.
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| Témata: |